SHIYAN 27C, 63601
Orbit data source: Space-Track
SHIYAN 27C, 63601 is a payload satellite owned by CAST (CN) in SSO that was launched on Fri, 18 Apr 2025 UTC via a CHANG ZHENG 6A launch vehicle from the Taiyaun Space Center, China (TSC). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.
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63601 intel report (Beta)
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Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
CAST
Mission
Operational Defense Radar Imaging
Bus & Motor
SW27, Unknown motor
Mass
300 kg wet, ~300 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Pan, 1.9 m
Radar Cross Section
13.200 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 5 hours ago
TLE from 5 hours ago
0 SHIYAN 27C
1 63601U 25078C 26123.19261852 -.00000015 00000-0 41065-4 0 9993
2 63601 99.6927 131.1589 0001053 92.3638 267.7621 13.57221852 51438Epoch: 2026-05-03T04:37Z
TLE epoch observation values (Epoch: 2026-05-03T04:37:22.240Z)
Latitude
0.00001°
Longitude
-159.28346°
Altitude
1,048.632 km
Speed
7.328 km/s
True Right ascension
08h 44m 38s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
17:39:20
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,043.879 km
Perigee altitude
1,042.316 km
Semi-major axis
7,421.234 km
Eccentricity
0.00011
Inclination
99.6927°
RAAN
131.1589°
Arg. of periapsis
92.3638°
True anomaly
267.75004°
Mean anomaly
267.7621°
Eccentric anomaly
267.75607°
Mean motion
3.39492 °/min
Orbital period
106.04 mins
BSTAR
0.000041065
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Other satellites on launch #78 in the year 2025 (2025-04-18 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.SHIYAN 27C Visibility forecast
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Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
|---|---|---|---|---|---|---|---|
| 10 mins | 2026-05-03 12:18:32.989Z | 39.721° NE | 2026-05-03 12:23:32.989Z | 91.748° ESE | 23.971° | 2026-05-03 12:28:32.989Z | 147.513° SSE |
| 11 mins | 2026-05-03 14:03:32.989Z | 0.64° NNE | 2026-05-03 14:08:32.989Z | 292.003° WNW | 37.439° | 2026-05-03 14:14:32.989Z | 218.978° SW |
| 11 mins | 2026-05-04 00:12:32.989Z | 154.847° SSE | 2026-05-04 00:17:32.989Z | 39.869° NE | 43.79° | 2026-05-04 00:23:32.989Z | 348.646° N |
| 6 mins | 2026-05-04 01:59:32.989Z | 239.979° WSW | 2026-05-04 02:02:32.989Z | 271.022° WNW | 15.875° | 2026-05-04 02:05:32.989Z | 301.136° NW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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